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<?php class A { private function foo() { echo 'foo'; } public function bar(callable $call) { $call(); } } $a = new A; // A::foo is not callable here, but will be when we get inside A::bar var_dump(is_callable([$a, 'foo'] )); $a->bar( [$a, 'foo'] );
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/pNZgn
function name:  (null)
number of ops:  17
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    8     0  E >   NEW                                              $1      'A'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $1
   10     3        INIT_FCALL                                               'var_dump'
          4        INIT_FCALL                                               'is_callable'
          5        INIT_ARRAY                                       ~4      !0
          6        ADD_ARRAY_ELEMENT                                ~4      'foo'
          7        SEND_VAL                                                 ~4
          8        DO_ICALL                                         $5      
          9        SEND_VAR                                                 $5
         10        DO_ICALL                                                 
   11    11        INIT_METHOD_CALL                                         !0, 'bar'
         12        INIT_ARRAY                                       ~7      !0
         13        ADD_ARRAY_ELEMENT                                ~7      'foo'
         14        SEND_VAL_EX                                              ~7
         15        DO_FCALL                                      0          
         16      > RETURN                                                   1

Class A:
Function foo:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/pNZgn
function name:  foo
number of ops:  2
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   ECHO                                                     'foo'
          1      > RETURN                                                   null

End of function foo

Function bar:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/pNZgn
function name:  bar
number of ops:  4
compiled vars:  !0 = $call
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    5     0  E >   RECV                                             !0      
          1        INIT_DYNAMIC_CALL                                        !0
          2        DO_FCALL                                      0          
          3      > RETURN                                                   null

End of function bar

End of class A.

Generated using Vulcan Logic Dumper, using php 8.0.0


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